lib/neutron/pkgconf.rb in neutron-0.1.0 vs lib/neutron/pkgconf.rb in neutron-0.2.0

@@ -45,6 +45,41 @@
 
   def to_valac
     raise InvalidPkgConfError if tainted?
     @packages.map{|p|"--pkg #{p}"}.join(' ')
   end
+
+  def self.gen_pc(filename, **opts)
+    prefix = if ENV['PREFIX'] then ENV['PREFIX'] else '/usr' end
+    filename = File.expand_path(filename)
+
+    content = ''
+    
+    content << "prefix=#{prefix}\n"
+    content << "exec_prefix=${prefix}\n"
+    content << "includedir=${prefix}/include\n"
+    content << "libdir=${exec_prefix}/lib\n"
+    content << "\n"
+
+    reqs = if opts[:requires] then opts[:requires].packages.join(' ') else '' end
+    preqs = if opts[:prequires] then opts[:prequires].packages.join(' ') else '' end
+
+    lname = opts[:name]
+    if m = /lib(.+)/.match(lname.downcase)
+      lname = m[1]
+    end
+
+    content << "Name: #{opts[:name] or 'Unnamed'}\n"
+    content << "Description: #{opts[:description] or 'No description'}\n"
+    content << "Version: #{opts[:version] or '0.1.0'}\n"
+    content << "Requires: #{reqs}\n"
+    content << "Requires.private: #{preqs}\n"
+    content << "Cflags: #{opts[:cflags] or "-I${includedir}/#{opts[:name].downcase or 'undefined'}"}\n"
+    content << "Libs: -L${libdir} -l#{lname or 'undefined'}\n"
+    content << "Libs.private: #{opts[:plibs] or ''}\n"
+
+    File.delete(filename) if File.exist?(filename)
+    File.write(filename, content)
+
+    puts "] Done generating pkg-config #{filename}"
+  end
 end
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